Home / 14,156.40-21,237.15-5,831.87

Finding the Fourth Proportional to 14,156.40, 21,237.15 and 5,831.87

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Solution

The fourth proportional to 14,156.40, 21,237.15 and 5,831.87 is: 8,748.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,156.40 : 21,237.15 = 5,831.87 : x
  2. Step 2: Convert to fraction form
    14,156.40/21,237.15 = 5,831.87/x
  3. Step 3: Cross multiply
    14,156.40x = 21,237.15 × 5,831.87
  4. Step 4: Simplify right side
    14,156.40x = 123,852,191.78
  5. Step 5: Solve for x
    x = 123,852,191.78/14,156.40
  6. Step 6: Final answer
    x = 8,748.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.